Prospects for detection of a Galactic diffuse neutrino flux

Abstract

A Galactic cosmic-ray transport model featuring non-homogeneous transport has been developed over the latest years. This setup is aimed at reproducing gamma-ray observations in different regions of the Galaxy (with particular focus on the progressive hardening of the hadronic spectrum in the inner Galaxy) and was shown to be compatible with the very-high-energy gamma-ray diffuse emission recently detected up to PeV energies. In this work, we extend the results previously presented to test the reliability of that model throughout the whole sky. To this aim, we compare our predictions with detailed longitude and latitude profiles of the diffuse gamma-ray emission measured by Fermi-LAT for different energies and compute the expected Galactic neutrino diffuse emission, comparing it with current limits from the ANTARES collaboration. We emphasize that the possible detection of a Galactic neutrino component will allow us to break the degeneracy between our model and other scenarios featuring prominent contributions from unresolved sources and TeV halos.

arXiv comment15 pages, 6 Figures, 1 table

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Cited by in corpus (5)

• Galactic Diffuse Neutrino Emission from Sources beyond the Discovery Horizon
• Possible contribution of X-ray binary jets to the Galactic cosmic ray and neutrino flux
• Prospects for $\gamma$-ray observations of the Perseus galaxy cluster with the Cherenkov Telescope Array
• The potential of diffuse Galactic Ridge neutrino measurements to constrain dark matter
• Search for Diffuse Galactic Neutrinos with the Full ANTARES Telescope Dataset